Native iOS & Android
Swift, Kotlin and the latest platform APIs. Best‑in‑class performance, accessibility and platform integrations.
UPUP Technology Limited is a product studio focused on native iOS, Android and cross‑platform development. We turn ambitious ideas into polished, scalable products — from first sketch to App Store launch.
Headquartered in Kowloon, Hong Kong, UPUP Technology Limited partners with founders, growth teams and brands to build mobile experiences that move metrics. Native expertise on iOS & Android, design taste honed across 100+ shipped products, and a team that ships fast — without breaking things.
We blend design, engineering and growth into a single, accountable team — so you ship faster and learn quicker.
Swift, Kotlin and the latest platform APIs. Best‑in‑class performance, accessibility and platform integrations.
Flutter and React Native to ship one codebase to both stores — without compromising on feel or framerate.
From research and IA to motion, design systems and store assets — all crafted to convert and delight.
Scalable APIs on AWS, GCP, Firebase and Supabase. Realtime, payments, push, search and analytics.
Document scanning, OCR pipelines, on‑device ML and LLM integrations powering the next generation of utilities.
App Store Optimization, attribution, A/B testing, monitoring and steady iteration to compound growth.
A glimpse into the in‑house and partner products we have crafted — from utilities used millions of times a month to delightful niche tools.
Crystal‑clear two‑way call recording with smart transcripts and cloud sync — featured by media outlets across Asia.
A family of AI‑powered document scanners — Scanner HD, ScannerPDF and ScannerOCR — turning any phone into a portable office.
The fastest QR & barcode scanner with privacy‑first design, history sync and Apple Watch support.
An AI skin‑analysis app helping users understand their skin in seconds with personalized routines.
Personal audio companion for journaling, focus and sleep with a beautifully simple interface.
A growing family of focused single‑purpose utilities — every app polished to be the very best at one thing.
Workshops, user research and competitive analysis. We agree on the problem before we touch the solution.
Wireframes, prototypes and design systems with weekly stakeholder reviews and clickable demos.
Two‑week sprints, continuous integration, code reviews and TestFlight / Internal track betas every release.
Store launch, ASO, analytics, experimentation and steady iteration — measured by metrics that matter.
Tell us about it. Get a tailored project plan, timeline and quote within 48 hours — no strings attached.
Whether you have a fully scoped brief or just a hunch, we'd love to hear from you. We typically reply within one business day.